/* FastLink VPN - Quantum Vault & Imperial Amethyst / Security Gold */
:root {
  --bg-deep: #0a0614;
  --bg-card: rgba(22, 13, 44, 0.7);
  --bg-card-hover: rgba(35, 20, 68, 0.85);
  --border-subtle: rgba(168, 85, 247, 0.16);
  --border-hover: rgba(168, 85, 247, 0.45);
  --purple-amethyst: #a855f7;
  --purple-glow: #c084fc;
  --gold-amber: #f59e0b;
  --gold-glow: #fbbf24;
  --text-pure: #ffffff;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-pill: 9999px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-deep);
  color: var(--text-pure);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Background Quantum Mesh */
.bg-quantum {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  background: 
    radial-gradient(circle at 15% 18%, rgba(168, 85, 247, 0.1) 0%, transparent 45%),
    radial-gradient(circle at 80% 30%, rgba(245, 158, 11, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 50% 85%, rgba(147, 51, 234, 0.08) 0%, transparent 50%),
    linear-gradient(180deg, #07040e 0%, #0a0614 100%);
  pointer-events: none;
}

.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 顶部公告 */
.top-notice {
  background: linear-gradient(90deg, #4c1d95 0%, #581c87 50%, #701a75 100%);
  color: #f3e8ff;
  font-size: 0.82rem;
  padding: 8px 16px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border-bottom: 1px solid rgba(168, 85, 247, 0.25);
}

.top-notice a {
  color: #fef08a;
  font-weight: 700;
  text-decoration: underline;
  white-space: nowrap;
}

/* 吸顶导航栏 */
.navbar-wrapper {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 6, 20, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
}

.brand-name {
  display: flex;
  flex-direction: column;
}

.brand-title-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-title-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.5px;
  white-space: nowrap;
}

.brand-tagline {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 7px;
  background: rgba(168, 85, 247, 0.15);
  color: var(--purple-glow);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: var(--radius-pill);
  white-space: nowrap;
}

.brand-domain-sub {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  flex: 1;
  justify-content: center;
}

.nav-links li {
  flex-shrink: 0;
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 7px 12px;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  white-space: nowrap !important;
  display: inline-block;
}

.nav-links a:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.06);
}

.nav-actions {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav-actions .btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #a855f7 0%, #9333ea 50%, #f59e0b 100%);
  color: #ffffff;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0 20px;
  height: 40px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  box-shadow: 0 4px 18px rgba(168, 85, 247, 0.35);
  transition: all 0.25s ease;
  white-space: nowrap !important;
  border: none;
}

.nav-actions .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(168, 85, 247, 0.55);
  filter: brightness(1.1);
}

/* Hero Section */
.hero-section {
  padding: 70px 0 50px;
  text-align: center;
}

.security-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid rgba(168, 85, 247, 0.3);
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  color: var(--purple-glow);
  font-weight: 700;
  letter-spacing: 0.8px;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 900;
  letter-spacing: -1.2px;
  line-height: 1.15;
  margin-bottom: 20px;
}

.amethyst-gold-text {
  background: linear-gradient(135deg, #c084fc 0%, #a855f7 40%, #fbbf24 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 820px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 50px;
}

.btn-hero-vault {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #a855f7 0%, #9333ea 50%, #f59e0b 100%);
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 800;
  padding: 14px 32px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  box-shadow: 0 8px 30px rgba(168, 85, 247, 0.4);
  transition: all 0.25s ease;
}

.btn-hero-vault:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(168, 85, 247, 0.6);
}

.btn-hero-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.05);
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  border: 1px solid var(--border-subtle);
  transition: all 0.2s ease;
}

.btn-hero-outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Vault Strip */
.vault-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 1080px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(12px);
}

.vault-item {
  display: flex;
  align-items: center;
  gap: 14px;
  text-align: left;
}

.v-icon {
  font-size: 2rem;
}

.v-val {
  font-size: 1.15rem;
  font-weight: 800;
  color: #ffffff;
}

.v-lbl {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* Sections */
.section {
  padding: 80px 0;
}

.bg-amethyst {
  background: rgba(22, 13, 44, 0.45);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-tag {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--gold-amber);
  letter-spacing: 1.5px;
  margin-bottom: 10px;
  text-transform: uppercase;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.6px;
  margin-bottom: 12px;
}

.section-subtitle {
  font-size: 1rem;
  color: var(--text-muted);
}

/* Pillars Grid */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.pillar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  transition: all 0.3s ease;
  position: relative;
}

.pillar-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
  box-shadow: 0 10px 30px rgba(168, 85, 247, 0.15);
}

.pillar-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  background: rgba(245, 158, 11, 0.15);
  color: var(--gold-amber);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  margin-bottom: 14px;
}

.pillar-card h3 {
  font-size: 1.35rem;
  margin-bottom: 12px;
  color: #ffffff;
}

.pillar-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Streaming Grid */
.streaming-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.stream-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: all 0.3s ease;
}

.stream-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.stream-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.stream-name {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.stream-status {
  font-size: 0.8rem;
  font-weight: 700;
  color: #10b981;
  margin-bottom: 10px;
}

.stream-card p {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* VPN Node Grid */
.vpn-node-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.node-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.node-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}

.node-top .flag {
  font-size: 1.5rem;
}

.node-top h4 {
  font-size: 1.1rem;
  flex: 1;
}

.badge-enc {
  font-size: 0.72rem;
  background: rgba(168, 85, 247, 0.2);
  color: var(--purple-glow);
  padding: 3px 8px;
  border-radius: var(--radius-pill);
}

.node-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 12px;
  background: rgba(0, 0, 0, 0.3);
  border-radius: var(--radius-md);
  text-align: center;
}

.node-stats .val {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
}

.node-stats .val.green { color: #10b981; }
.node-stats .val.gold { color: #fbbf24; }

.node-stats .lbl {
  font-size: 0.72rem;
  color: var(--text-dim);
}

/* Pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pricing-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card.featured {
  border-color: var(--gold-amber);
  background: rgba(30, 16, 56, 0.95);
  box-shadow: 0 10px 40px rgba(245, 158, 11, 0.2);
  transform: scale(1.02);
}

.badge-featured {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  color: #0a0614;
  font-size: 0.78rem;
  font-weight: 800;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
}

.p-header h3 {
  font-size: 1.4rem;
  margin-bottom: 4px;
}

.p-header p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.p-price {
  margin: 24px 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.p-currency {
  font-size: 1.4rem;
  color: var(--gold-amber);
  font-weight: 700;
}

.p-num {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
}

.p-period {
  font-size: 0.9rem;
  color: var(--text-dim);
}

.p-features {
  list-style: none;
  margin-bottom: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}

.p-features li {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.btn-price {
  display: block;
  text-align: center;
  padding: 12px 20px;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  text-decoration: none;
  font-weight: 700;
  border-radius: var(--radius-pill);
  transition: all 0.2s ease;
}

.btn-price:hover {
  background: rgba(255, 255, 255, 0.15);
}

.btn-gold {
  background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%);
  color: #0a0614;
  font-weight: 800;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4);
}

/* FAQ */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
}

.faq-item h4 {
  font-size: 1.1rem;
  margin-bottom: 8px;
  color: #ffffff;
}

.faq-item p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* Section Wiki */
.section-wiki {
  padding: 40px 0 60px;
}

.wiki-box {
  background: linear-gradient(135deg, rgba(168, 85, 247, 0.12) 0%, rgba(245, 158, 11, 0.12) 100%);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}

.wiki-tag {
  font-size: 0.75rem;
  font-weight: 800;
  background: var(--gold-amber);
  color: #0a0614;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  display: inline-block;
  margin-bottom: 12px;
}

.wiki-text h3 {
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.wiki-text p {
  color: var(--text-muted);
}

.btn-wiki-link {
  display: inline-block;
  background: #ffffff;
  color: #0a0614;
  font-weight: 800;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  white-space: nowrap;
  transition: all 0.2s ease;
}

.btn-wiki-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.25);
}

/* Footer */
.footer {
  background: #07040e;
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-title {
  font-size: 1.2rem;
  font-weight: 800;
}

.footer-intro {
  font-size: 0.88rem;
  color: var(--text-dim);
  line-height: 1.7;
  margin-bottom: 18px;
}

.footer-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  background: rgba(168, 85, 247, 0.1);
  color: var(--purple-glow);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
}

.status-indicator {
  width: 6px;
  height: 6px;
  background: var(--gold-amber);
  border-radius: 50%;
}

.footer-col h4 {
  font-size: 0.95rem;
  color: #ffffff;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color 0.2s ease;
}

.footer-col a:hover {
  color: var(--gold-amber);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 24px;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* 响应式断点 */
@media (max-width: 1200px) {
  .nav-links { gap: 3px; }
  .nav-links a { font-size: 0.86rem; padding: 6px 8px; }
}

@media (max-width: 1040px) {
  .streaming-grid { grid-template-columns: repeat(2, 1fr); }
  .pillars-grid { grid-template-columns: 1fr; }
  .vpn-node-grid { grid-template-columns: 1fr; }
  .vault-strip { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links a { font-size: 0.82rem; padding: 5px 6px; }
  .nav-actions .btn-primary { padding: 0 14px; font-size: 0.84rem; }
}

@media (max-width: 880px) {
  .nav-links { display: none !important; }
  .hero-title { font-size: 2.4rem; }
  .wiki-box { flex-direction: column; text-align: center; }
}

@media (max-width: 600px) {
  .vault-strip { grid-template-columns: 1fr; }
  .hero-cta-group { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
}